Quick Summary
The FOCUHUNTER Tactical Rail Adapter is an 11mm dovetail to 21mm Weaver Picatinny scope mount base designed to convert an 11mm rail into a wider top rail. It is described as a solid but lightweight platform, with 4 separate top slots and one hand mounting screws for easier attachment.
Who It Is Best For
This adapter is suited to buyers who need to fit Weaver or Picatinny style accessories to a rifle with an 11mm or 3/8 inch dovetail standard rail. It is a practical choice if you want a rail extension that gives a more versatile top rail layout for compatible scope and accessory fitting.
What To Know Before You Buy
Check your rail type carefully before ordering, especially if you are matching an 11mm or 3/8 inch dovetail setup. The adapter is listed with a top rail width of 21mm and a dovetail base rail width of 11mm. It is supplied with an allen wrench and 4 screws.
Pros: Converts an 11mm dovetail rail to a 21mm top rail and includes 4 top slots for accessory fitting.
Cons: You should check compatibility with your selected scope or accessory before buying.
Common Buyer Questions
What does this rail adapter do?
It converts an 11mm dovetail rail to a 21mm Weaver Picatinny style top rail.
Will it fit an 11mm dovetail rail?
It is described as fitting dovetail 11mm rail and also 3/8 inch dovetail standard rails.
How many slots does the top rail have?
The top rail has 4 separate top slots.
What is included in the package?
The package includes 1 scope adapter rail mount, 1 allen wrench, and 4 screws.
What is it made from?
It is described as being manufactured from aircraft grade aluminum alloy.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | FOCUHUNTER |
| Product type | Tactical rail adapter and scope mount base |
| Rail conversion | Converts 11mm dovetail to 21mm Weaver Picatinny |
| Dovetail base rail width | 11mm |
| Top rail width | 21mm |
| Top slots | 4 separate top slots |
| Material | Aircraft grade aluminum alloy |
| Length | 9cm |
| Width | 2.7cm with screws |
| Height | 2cm |
| Item weight | 87g |
| Included items | 1 scope adapter rail mount, 1 allen wrench, 4 screws |
Final Buying View
If you need to convert an 11mm dovetail rail to a 21mm Weaver Picatinny style top rail, this FOCUHUNTER adapter gives you a straightforward way to do it. The 4 slot top rail and included fitting parts make it a practical choice for compatible rifles and accessories. Check your rail measurements and accessory fit before ordering.





